Super Php Test - 86+ MCQs: PHP test: Evaluate Your Programming Skills with PHP Questions and Answers

1. How can you implement method chaining in PHP?

By using the `chain()` method

By returning the object instance in each method

By using the `method_chain()` function

Method chaining is not possible in PHP

2. What is the correct way to include a comment block in PHP?

/* This is a comment */

# This is a comment #

' This is a comment

3. How can you check if a variable is an array in PHP?

Use the `isarray()` function

Use the `isArray()` function

Use the `typeof` operator

Use the `is_array()` function

4. Which function is used to display text in PHP?

print()

echo()

display()

show()

5. Which function is used to redirect the browser to another location in PHP?

redirect()

header()

location()

go()

6. What is the purpose of the `echo` statement in PHP?

To print text to the console

To output data to a file

To display content on a webpage

To define a constant

7. How do you declare a function in PHP?

function myFunction()

def myFunction():

create function myFunction():

new_function myFunction():

8. What is the purpose of the `file_exists()` function in PHP?

To check if a file exists

To delete a file

To create a new file

To open a file for reading

9. How do you check if a file exists in PHP?

file_exists()

exists(file)

check_file(file)

file() != null

10. How can you prevent a class from being inherited in PHP?

Use the `final` keyword before the class declaration

Use the `sealed` keyword before the class declaration

Use the `static` keyword before the class declaration

Use the `private` keyword before the class declaration

11. In PHP, what does the `ReflectionClass` class do?

It provides reflection for functions

It provides reflection for classes

It provides reflection for objects

It provides reflection for interfaces

12. What is the difference between '== ' and '=== ' in PHP?

'== ' compares only values, '=== ' compares values and data types

'== ' compares values and data types, '=== ' compares only values

'== ' is for assignment, '=== ' is for comparison

'== ' is a syntax error, '=== ' is the equality operator

13. How do you handle file uploads in PHP?

Use the `upload_file()` function

Access the file using $_FILES superglobal

Use the `move_uploaded_file()` function

Enable file uploads in php.ini

14. What is the purpose of the `get_declared_interfaces()` function in PHP?

To get the names of all declared interfaces

To declare a new interface

To check if an interface is declared

To get the methods of a specific interface

15. Which function is used to get the length of a string in PHP?

len()

count()

strlen()

length()

16. What is the use of the `filter_var()` function in PHP?

To filter array elements

To validate and sanitize data

To extract values from an array

To sort an array

17. What is the purpose of the `header('Content-Type: application/json')` function in PHP?

To set the page title

To send a JSON response

To redirect the page

To include an external script

18. What is the correct way to represent a single-line comment in PHP?

// This is a comment

# This is a comment

-- This is a comment

/* This is a comment */

19. How can you declare a constant in a class in PHP?

Using the `var` keyword

Using the `const` keyword

Using the `define` function

Using the `constant` function

20. In PHP, what is the use of the `Throwable` interface?

To catch exceptions

To define a new exception class

To implement a custom exception handler

To handle fatal errors

21. What is the purpose of the `continue` statement in PHP?

To end a loop prematurely

To start a new block of code

To skip the rest of the code in a loop and start the next iteration

To include external files

22. How do you define a constant in PHP?

define('MY_CONSTANT', 'value')

const MY_CONSTANT = 'value';

$constant = 'value';

MY_CONSTANT = 'value';

23. Which PHP function is used to redirect the browser to another location?

redirect()

header()

location()

go()

24. What is the correct way to start a session in PHP?

session.create()

start_session()

session_start()

init_session()

25. What is the purpose of the `for` loop in PHP?

To create an infinite loop

To iterate over items in an array or collection

To perform a conditional loop

To define a function

26. What is the difference between `==` and `===` operators in PHP?

Both are used for equality comparison

`==` compares values and ignores data types, `===` compares both values and data types

`===` compares values and ignores data types, `==` compares both values and data types

`==` is used for strict comparison, `===` is used for loose comparison

27. What is the purpose of the `glob()` function in PHP?

To create a global variable

To retrieve an array of file names that match a pattern

To generate a random number

To define a global function

28. How can you prevent cross-site scripting (XSS) attacks in PHP?

Use the `eval()` function

Encode user input using `htmlentities()`

Allow raw HTML in user input

Disable error reporting

29. How do you define a constant in PHP?

define constant_name value

constant constant_name value

const constant_name = value

set constant_name = value

30. What is the purpose of the `array_map()` function in PHP?

To merge two arrays

To apply a function to all items in an input array

To filter items in an array

To check if an array is empty

31. What is the purpose of the `switch` statement in PHP?

To create a loop

To make decisions based on conditions

To define a function

To simplify complex `if` conditions

32. What is the purpose of the `__sleep()` magic method in PHP?

To serialize an object

To unserialize an object

To prepare an object for sleep mode

To wake up an object from sleep mode

33. What is the purpose of the `array_walk_recursive()` function in PHP?

To walk through an array and modify its elements

To walk through an array and perform a callback on its elements

To walk through a multidimensional array and modify its elements

To walk through a multidimensional array and perform a callback on its elements

34. What does PHP stand for?

Personal Hypertext Processor

Private Hypertext Processor

Personal Home Page

Private Home Page

35. What is the purpose of the `array_push()` function in PHP?

To pop an element from an array

To push an element to the end of an array

To insert an element at the beginning of an array

To remove all elements from an array

36. What is the purpose of the `ob_start()` function in PHP?

To start a new session

To begin output buffering

To close output buffering

To output data to the browser

37. What is the purpose of the `iterator_to_array()` function in PHP?

To convert an array to an iterator

To convert an iterator to an array

To create a new iterator

To delete an iterator

38. What is the purpose of the `foreach` loop in PHP?

To create an infinite loop

To iterate over items in an array or collection

To perform a conditional loop

To define a function

39. Which function is used to get the current date and time in PHP?

current_datetime()

now()

date()

get_date()

40. What is the purpose of the `array_diff()` function in PHP?

To find the difference between two arrays

To merge two arrays

To sort an array

To filter an array

PHP MCQ Test 2